package com.sike.controller.secuity;

import com.sike.entity.ValidCode;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import org.springframework.security.authentication.*;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;

import java.awt.image.BufferedImage;
import java.io.IOException;


@Controller
public class SecurityController {
    @GetMapping("/index")
    public String index() {
        return "index";
    }
    @GetMapping("/menu{num}/{id}")
    public String menu(@PathVariable("num") int num,@PathVariable("id") int id){
        return "menu"+num +"/"+id;
    }

    @GetMapping("/toLogin")//跳转到登录页面
    public String tologin(HttpServletRequest request){
        String msg = (String) request.getSession().getAttribute("msg");
        if(msg!=null){
            request.setAttribute("msg",msg);
        }
        return "login";
    }
    @GetMapping("/toLogin/error") //登录失败发生异常时的访问路径
    public String tologin(HttpServletRequest request, Model model){
        AuthenticationException authenticationException = (AuthenticationException) request.getSession()
                .getAttribute("SPRING_SECURITY_LAST_EXCEPTION");
        if (authenticationException instanceof UsernameNotFoundException || authenticationException instanceof BadCredentialsException) {
            model.addAttribute("msg","用户名或密码错误");
        } else if (authenticationException instanceof DisabledException) {
            model.addAttribute("msg","用户已被禁用");
        } else if (authenticationException instanceof LockedException) {
            model.addAttribute("msg","账户被锁定");
        } else if (authenticationException instanceof AccountExpiredException) {
            model.addAttribute("msg","账户已过期");
        } else if (authenticationException instanceof CredentialsExpiredException) {
            model.addAttribute("msg","证书过期");
        }
        return "login";
    }

    @GetMapping("/validcode")
    public void getValidPicture(HttpServletRequest request, HttpServletResponse response) throws IOException {
        ValidCode validCode = new ValidCode();
        BufferedImage image = validCode.getImage();//获取图片
        String validcode = validCode.getValidcode();//获取随机验证码(字符串)
        System.out.println("validcode:"+validcode);
        HttpSession session = request.getSession();
        session.setAttribute("validcode", validcode);//将随机验证码存入session
        validCode.output(image, response.getOutputStream());//输出图片
    }

    @GetMapping("/errorRole")
    public String errRole(){
        return "errorRole";
    }


}
